Bharat Sanchar Nigam Limited-BSNL has published Tube Well Deepening Of Existing Tube Well At Bsnl Staff Qtrs At Swb, Alwar ( Iind Call ) .. Submission Date for this Tender is 25-06-2021. Tube Well Tenders in Alwar Rajasthan. Bidders can get complete Tender details and download the document.
Sl. No. | Item Description |
1 | Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer -in-charge, beyond 90 metre & upto 150 metre depth below ground level. ( Measured after existing depth) Rocky strata including Boulders 300 mm dia |
2 | Development of tube well in accordance with IS : 2800 (part I) and IS:11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by “V” notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge. |
3 | Adjusting old tubewell up to 200 mm dia rod lowering DTS system. (Including Boiring/drilling bore well of required dia) |
4 | Supplying ERW (Electric Resistance Welded) FE 410 plain slotted (having slot of size 1.6/3.2 mm) mild steel threaded and socketed / plain bevel ended pipe (type A) of required dia, conforming to IS: 8110, of reputed and approved make, having wall thickness not less than 5.40 mm, including painted with outside surface with two coats of anticorrosive bitumastic paint of approved brand and manufacture all complete as per direction of Engineer -in-charge. 150 mm nominal size dia |
5 | Assembling, lowering and fixing in vertical position in bore well, ERWFE 410 plain slotted mild steel threaded and socketed / plain bevel ended pipe (type A) of required dia including hire & labour charges, fittings & accessories, all complete, for beyound existing depth of 90 mtr , as per direction of Engineer -in-charge. 150 mm nominal size dia |
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